I have a mysql table \"items\" with 2 integer fields: seid and tiid The table has about 35000000 records, so it\'s very large.
As I build bigger, more advanced web applications, I\'m finding myself writing extremely long and complex queries. I tend to write queries within queries a lot because I feel making one call to the da
I have Database Server and 4 other client servers. No of connection at a time from the client servers is more than 600.
I have the following query and the following 2 indexes, but I am still getting a filesort.Is there a 开发者_StackOverflowway to optimize this further so that I avoid the filesort, or do I just need to
Recently I was pulled into the boss-man\'s office and told that one of my queries was slowing down the system. I then was told that it was because my WHERE clause began with 1 = 1. In my script I was
SELECT projectID, urlID, COUNT(1) AS totalClicks, projectPage, (SELECT COUNT(1) FROMtblStatSessionRoutes, tblStatSessions
The query I need help with is: SELECT d.bn, d.4700, d.4500, ... , p.`Activity Description` FROM ( SELECT temp.bn, temp.4700, temp.4500, ....
I\'m having problem with my classifieds site even though using dedicated server but still slow and many times my site is out of access.
i did it my way because i\'m very bad getting results from two tables... Basically, first i get all the id items that correspond to the user, and then i calculate the ratings of each item.
I have a messaging system that contains default templates. for example: you won X coins friend X wants to share the url Y with you
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